The Tiger 1 Late Version RC tank comes with an airsoft unit and is RTR out of the box. Just add your AA?s and you are set! This tank includes a metal chassis, metal torsion bar suspension system, metal gearboxes, metal track tension adjusters, metal idler wheel arms, metal barrel, plastic tow hooks, plastic suspension arms, zimmerit, LED headlight, plastic track armor, plastic caterpillar tracks, plastic drive wheels, plastic road wheels, plastic idler wheels, and a plastic turret. This tank also comes with a 2000mAh NIMH battery and charger, easy access hull, LED machine gun, an accessory pack, a smoke unit, speaker, and has track recoil when firing.